In the Museum: The Rock

The lunar Touchrock is one of the most popular objects in the National Air and Space Museum.

“Voyage: A Journey Through Our Solar System” opened on the National Mall on October 17. The permanent exhibit features a one-ten-billionth scale model of the solar system, which consists of 13 stainless steel stations set up along a 650-yard stretch of sidewalk that runs between the National Air and Space Museum and the Smithsonian Castle on Jefferson Drive. The stations are mounted with sculptures of the sun (right), planets, and asteroids.